Apache Thrift: Networking Stack

Thrift’s networking stack can be represented as follows,

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 Transport:

It provides a simple abstraction for reading/writing from/to the network. This enables Thrift to decouple the underlying transport from the rest of the system (like serialization/deserialization).

Protocol:

This specifies how datatypes use the underlying Transport to encode/decode themselves. Thus the protocol implementation governs the encoding scheme and is responsible for (de)serialization. Some examples of protocols in this sense include JSON, XML, plain text, compact binary etc.

Processor:

Service-specific processor implementations are generated by the compiler. The input and output streams are represented by Protocol objects. The Processor essentially reads data from the wire (using the input protocol), delegates processing to the handler (implemented by the user) and writes the response over the wire (using the output protocol).

Server:

A Server pulls together all of the various features described above.

* Create a transport
* Create input/output protocols for the transport
* Create a processor based on the input/output protocols
* Wait for incoming connections and hand them off to the processor

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